Topic
Functionally graded material
About: Functionally graded material is a research topic. Over the lifetime, 4250 publications have been published within this topic receiving 99610 citations.
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TL;DR: In this paper, equilibrium and stability equations of a moderately thick rectangular plate made of functionally graded materials under thermal loads are derived based on the first order shear deformation theory, assuming that the material properties vary as a power form of thickness coordinate variable z.
316 citations
TL;DR: In this paper, the in-plane dynamic crushing of two-dimensional honeycombs with both regular hexagonal and irregular arrangements was investigated using detailed finite element models, and three distinct crushing modes for honeycomb with a constant relative density: quasi-static, transition and dynamic.
315 citations
TL;DR: In this paper, the dynamics of conical, cylindrical shells and annular plates were analyzed using the first-order shear deformation theory (FSDT) and the generalized differential quadrature (GDQ) method.
315 citations
TL;DR: In this paper, a size-dependent beam model is proposed for nonlinear free vibration of a functionally graded (FG) nanobeam with immovable ends based on the nonlocal strain gradient theory (NLSGT) and Euler-Bernoulli beam theory in conjunction with the von-Karman's geometric nonlinearity.
313 citations
TL;DR: In this paper, a finite element computation of fracture parameters in functionally graded material (FGM) assemblages of arbitrary geometry with stationary cracks is addressed, where the elastic moduli are smooth functions of spatial co-ordinates which are integrated into the element stiffness matrix.
Abstract: This paper is directed towards finite element computation of fracture parameters in functionally graded material (FGM) assemblages of arbitrary geometry with stationary cracks. Graded finite elements are developed where the elastic moduli are smooth functions of spatial co-ordinates which are integrated into the element stiffness matrix. In particular, stress intensity factors for mode I and mixed-mode two-dimensional problems are evaluated and compared through three different approaches tailored for FGMs: path-independent J*k-integral, modified crack-closure integral method, and displacement correlation technique. The accuracy of these methods is discussed based on comparison with available theoretical, experimental or numerical solutions. Copyright © 2001 John Wiley & Sons, Ltd.
310 citations